0417_w18_qp_13
A paper of Information and Communication Technology, 0417
Questions:
15
Year:
2018
Paper:
1
Variant:
3
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1
Complete the following sentences, using items from the list. 3D printer ROM backing storage scanner CPU software hardware touchscreen RAM wide format printer The core component in a computer that controls arithmetic operations is called a The physical components of a computer are collectively called The type of memory that is volatile is called An output device that is also an input device is called a
1. Types and components of computer systems  →  1.1. Hardware and software
1. Types and components of computer systems  →  1.2. The main components of computer systems
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4
A supermarket has a number of point of sale (POS) terminals. These terminals are linked to the stock database. Goods are automatically ordered when the number in stock reaches or goes below the reorder level. Name two input devices that would be found at a POS terminal. Name two output devices that would be found at a POS terminal. The manager is checking stock on the shelves and in the stock room. He notices that an item has run out of stock. The database shows that the number in stock is above the reorder level. Give three reasons why this could have happened.
6. ICT applications  →  6.9. Computers in the retail industry
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5
Peter owns a sports centre. He keeps records of all his customers. He needs to replace his current system and has employed a systems analyst to organise the introduction of the new system. One method of researching the current system is interviewing Peter. Describe three other methods of researching the current system. The systems analyst decides that the new system needs a screen input form to enter all the personal data of each new customer. Describe three items of personal data for new customers that would be entered using the form. Some users of the system struggle to complete the form due to problems with their eyesight. You have been asked to design a screen input form to help these users. Describe four features that you would include in your form to help these users complete it. When the computer system has been created it needs to be implemented. Name three methods of implementation.
7. The systems life cycle  →  7.1. Analysis
7. The systems life cycle  →  7.3. Development and testing
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6
You are writing an essay on waterfalls using a word processor. You have found an image but it is in landscape orientation and you have changed the orientation to portrait. Before changing After changing Describe the steps you took to make these changes. The existing document with your new image looks like this: Waterfalls Describe how you could add another new image that you have found on the internet to the document so the text appears alongside it and beneath it like the existing document.
12. Images  →  12.1. Image manipulation
13. Layout  →  13.1. Create or edit a document
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8
Digital cameras are becoming smaller and more widespread. They can be used in a number of positive ways, for example: They are used in medical operations to film internal organs without the need for major surgery. They are used in wildlife situations where a large camera would be too noticeable. They are used in sporting events like car racing to increase the viewer’s excitement of the race. They are used in drones to film the extent of flooding in remote districts. Describe some ways digital cameras can be used which would cause people to think that their privacy is being invaded.
8. Safety and security  →  8.3. Security of data
8. Safety and security  →  8.2. eSafety
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9
A London based radio company is planning to cover the Commonwealth Games in Australia. Their staff will hold video-conferences with the games organisers. Describe what is meant by video-conferencing. Describe four disadvantages to the radio company of using video-conferencing rather than face-to-face meetings in this scenario. A face-to-face meeting is when the staff attending the meeting are all together physically in one room.
4. Networks and the effects of using them  →  4.2. Network issues and communication
6. ICT applications  →  6.1. Communication
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10
A school is voting to see if they should change the timings of the school day or not. You have been asked by the head teacher to present the data from a number of opinion polls in the form of a graph. The data shows the changes in people’s opinions over time. The data is stored in a spreadsheet. Part of the spreadsheet is shown. 01/10/2018 03/10/2018 06/10/2018 08/10/2018 09/10/2018 11/10/2018 14/10/2018 16/10/2018 18/10/2018 20/10/2018 A B C D Against For Don’t know Opinion Poll E F G Name the most appropriate type of graph or chart that would be used to present the data. The head teacher wishes the data to be presented as a graph to be shown at a public meeting. He requires a legend to be included in the graph. Describe how you would produce the graph or chart of the data including the legend.
16. Graphs and charts  →  16.1. Graph and chart creation
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11
Security of data is a major concern for people using computer systems. One method of protecting the data is to use a strong password. This is an authentication technique. Name three other authentication techniques that could be used. A typical data protection act tries to protect the data of living individuals. One way of achieving this is by keeping data secure. Identify four other principles of a typical data protection act.
8. Safety and security  →  8.2. eSafety
8. Safety and security  →  8.3. Security of data
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13
Ana is the planning officer for car parking in Rio de Janeiro city centre. She is planning to upgrade the computerised parking meters. The new parking meters need to be tested. The cost of parking is shown below: Parking Charges R$2 up to 2hrs parking R$4 up to 5hrs parking R$10 up to 24hrs parking Maximum parking time is 24hrs. The customer enters money into the machine and then pushes a button to print a ticket. If a customer enters more money than the charge for a time period, but less than the amount of money stated for the next time period, then a ticket is produced for the lower amount of time but no money is given back. Assume that R$2 is the lowest charge and R$10 is the highest charge. Explain what is meant by the following three types of test data, using examples of the parking charges. Normal Abnormal Extreme Having tested the system with normal and abnormal data Ana needs to test with live data. Explain what is meant by live data.
7. The systems life cycle  →  7.3. Development and testing
7. The systems life cycle  →  7.1. Analysis
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